Attention-deficit hyperactivity disorder classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Charmaine Patel, M.D. [2], Haleigh Williams, B.S.

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Overview

ADHD may be classified according to the DSM V criteria into three subgroups: predominantly inattentive type, predominantly hyperactive-impulsive type, and combined type.[1]

Classification

ADHD may be classified according to the DSM V criteria into three subgroups: predominantly inattentive type, predominantly hyperactive-impulsive type, and combined type. Distinctions are made according to the following criteria:[1]

  1. ADHD Combined Type: ≥6 symptoms of hyperactivity/impulsivity and inattention have been observed for ≥6 months
  2. ADHD Predominantly Inattentive Type: ≥6 symptoms of inattention (but <6 symptoms of hyperactivity/impulsivity) have been present for ≥6 months
  3. ADHD Predominantly Hyperactive-Impulsive Type: ≥6 symptoms of hyperactivity/impulsivity (but <6 symptoms of inattention) have been present for ≥6 months

For detailed descriptions of the symptoms of hyperactivity/impulsivity and inattention used in the diagnosis of ADHD, refer to the Attention-deficit hyperactivity disorder diagnostic criteria page.

The terminology of ADD expired with the release of the fifth edition of the DSM in 2013. ADHD is the term currently used to describe one distinct disorder which can manifest itself as hyperactivity/impulsivity (ADHD, predominately hyperactive-impulsive type), inattention (ADHD predominately inattentive type), or both (ADHD combined type).

Classification Based on Neurological and Psychiatric Factors

References

  1. 1.0 1.1 Diagnostic and statistical manual of mental disorders : DSM-5. Washington, D.C: American Psychiatric Association. 2013. ISBN 0890425558.
  2. Brain Matures A Few Years Late In ADHD, But Follows Normal Pattern
  3. LONI: Laboratory of Neuro Imaging
  4. 4.0 4.1 ICD Version 2006: F91. World Health Organization. Retrieved on December 11, 2006.

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